FR61828E - Improvements to electron beam tubes - Google Patents
Improvements to electron beam tubesInfo
- Publication number
- FR61828E FR61828E FR61828DA FR61828E FR 61828 E FR61828 E FR 61828E FR 61828D A FR61828D A FR 61828DA FR 61828 E FR61828 E FR 61828E
- Authority
- FR
- France
- Prior art keywords
- electron beam
- beam tubes
- tubes
- electron
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/84—Traps for removing or diverting unwanted particles, e.g. negative ions, fringing electrons; Arrangements for velocity or mass selection
- H01J29/845—Traps for removing or diverting unwanted particles, e.g. negative ions, fringing electrons; Arrangements for velocity or mass selection by means of magnetic systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/84—Traps for removing or diverting unwanted particles, e.g. negative ions, fringing electrons; Arrangements for velocity or mass selection
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US680895A US2456474A (en) | 1946-07-02 | 1946-07-02 | Electric discharge device |
Publications (1)
Publication Number | Publication Date |
---|---|
FR61828E true FR61828E (en) | 1955-05-18 |
Family
ID=24732961
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR946839D Expired FR946839A (en) | 1946-07-02 | 1947-05-16 | Improvements to electron beam tubes |
FR61828D Expired FR61828E (en) | 1946-07-02 | 1951-07-05 | Improvements to electron beam tubes |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR946839D Expired FR946839A (en) | 1946-07-02 | 1947-05-16 | Improvements to electron beam tubes |
Country Status (3)
Country | Link |
---|---|
US (1) | US2456474A (en) |
FR (2) | FR946839A (en) |
GB (1) | GB668161A (en) |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2732512A (en) * | 1956-01-24 | briggs | ||
US2592242A (en) * | 1946-07-02 | 1952-04-08 | Gen Electric | Electron gun and mounting therefor |
US2712079A (en) * | 1946-12-13 | 1955-06-28 | Lloyd P Hunter | Calutron |
US2575067A (en) * | 1948-05-13 | 1951-11-13 | Clarostat Mfg Co Inc | Ion trap |
US2513929A (en) * | 1948-05-21 | 1950-07-04 | Gen Electric | Beam centering device for cathode-ray tubes |
NL147142B (en) * | 1948-06-29 | Hoffmann La Roche | PROCESS FOR THE PREPARATION OF A HYDROCHLORIDE OF A BENZODIAZEPINE DERIVATIVE, PROCEDURE FOR THE PREPARATION OF PREPARATIONS WITH HYPNOGENIC PROPERTIES, AND THE PREPARATION FORMED. | |
NL147275B (en) * | 1948-07-01 | Plessey Uk Limited | ELECTRIC TORQUE SWITCH FOR PUSH-BUTTON CONTROL. | |
US2569327A (en) * | 1948-08-31 | 1951-09-25 | Rca Corp | Electron beam bender |
BE492805A (en) * | 1948-12-21 | |||
US2522872A (en) * | 1949-01-10 | 1950-09-19 | Heppner Mfg Company | Device for controlling the path of travel of electrons in cathoderay tubes |
US2552341A (en) * | 1949-02-03 | 1951-05-08 | Clarostat Mfg Co Inc | Magnetic structure for use in ion-traps |
GB670021A (en) * | 1949-02-18 | 1952-04-09 | Patrick Richard James Court | Improvements in beam centering devices for cathode ray tubes |
US2553039A (en) * | 1949-04-26 | 1951-05-15 | Zenith Radio Corp | Cathode-ray tube combined beam centering and deflection device |
US2569517A (en) * | 1949-09-09 | 1951-10-02 | Du Mont Allen B Lab Inc | Magnet for cathode-ray tube ion traps |
US2553792A (en) * | 1949-10-01 | 1951-05-22 | Indiana Steel Products Co | Ion trap and centering magnet assembly |
US2549602A (en) * | 1949-10-01 | 1951-04-17 | Indiana Steel Products Co | Applicator for ion traps |
US2580355A (en) * | 1949-10-08 | 1951-12-25 | Du Mont Allen B Lab Inc | Ion trap magnet |
US2552342A (en) * | 1949-11-17 | 1951-05-08 | Clarostat Mfg Co Inc | Magnetic structure for use in ion-traps |
NL157537B (en) * | 1949-11-25 | Calsilox Sa | METHOD AND DEVICE FOR FIXING REINFORCEMENT IN A FORM. | |
US2744208A (en) * | 1949-12-02 | 1956-05-01 | Rca Corp | Ion trap electron gun |
US2564737A (en) * | 1949-12-23 | 1951-08-21 | Rauland Corp | Cathode-ray tube |
US2544898A (en) * | 1949-12-31 | 1951-03-13 | Guardian Electric Mfg Co | Centering device for beams of cathode-ray tubes |
US2544875A (en) * | 1950-03-02 | 1951-03-13 | Pye Ltd | Combination centering, focusing, and deflecting device for beam of cathode-ray tubes |
US2596508A (en) * | 1950-04-19 | 1952-05-13 | Rauland Corp | Electron gun for cathode-ray tubes |
BE502947A (en) * | 1950-05-02 | |||
US2565533A (en) * | 1950-05-19 | 1951-08-28 | Rauland Corp | Cathode-ray tube |
US2582402A (en) * | 1950-09-29 | 1952-01-15 | Rauland Corp | Ion trap type electron gun |
US2574039A (en) * | 1951-02-17 | 1951-11-06 | All Star Products Inc | Magnetic centering device for cathode ray tubes |
US2597465A (en) * | 1951-03-23 | 1952-05-20 | Emmer Milton | Beam deflector for cathode-ray tubes |
US2741724A (en) * | 1951-11-27 | 1956-04-10 | Rauland Corp | Image-reproducing device |
US2707246A (en) * | 1952-09-04 | 1955-04-26 | Gen Electric | Combination focusing-ion trap structures for cathode-ray tubes |
US2793312A (en) * | 1952-12-24 | 1957-05-21 | Rca Corp | Electron gun structure |
US2842702A (en) * | 1954-09-02 | 1958-07-08 | Rca Corp | Cathode grid assembly |
US2810851A (en) * | 1955-07-01 | 1957-10-22 | Johnson And Hoffman Mfg Corp | Electrodes for electron gun units |
US3011046A (en) * | 1956-05-03 | 1961-11-28 | Emporium Specialties Co Inc | Manufacture of electrodes |
US2964880A (en) * | 1956-05-25 | 1960-12-20 | Fivre Valvole Radio Elett Spa | Process for preparing glass elements |
US2915662A (en) * | 1956-08-24 | 1959-12-01 | Nat Video Corp | Centering arrangement and method for beams of cathode ray tubes |
US2963608A (en) * | 1957-08-07 | 1960-12-06 | Sylvania Electric Prod | Cathode ray tube structure |
US3226587A (en) * | 1960-01-28 | 1965-12-28 | Rca Corp | Cathode ray tube and magnetic deflection means therefor |
NL263731A (en) * | 1960-04-18 | |||
US3814973A (en) * | 1972-09-05 | 1974-06-04 | Duro Test Corp | Electric lamps of the vibrating filament type having a conductive coating |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2188579A (en) * | 1933-05-27 | 1940-01-30 | Loewe Radio Inc | Cathode ray tube, more particularly for television purposes |
FR796502A (en) * | 1934-10-19 | 1936-04-09 | Fernseh Ag | Magnet now the straight ray in the braun tubes |
US2274586A (en) * | 1939-02-25 | 1942-02-24 | Philco Radio & Television Corp | Cathode ray tube |
US2211613A (en) * | 1936-08-14 | 1940-08-13 | Hygrade Sylvania Corp | Cathode ray tube |
GB498491A (en) * | 1937-07-09 | 1939-01-09 | A C Cossor Holdings Ltd | Improvements in cathode ray tubes |
GB518221A (en) * | 1938-08-12 | 1940-02-21 | Ferranti Ltd | Improvements in or relating to cathode ray tubes |
-
1946
- 1946-07-02 US US680895A patent/US2456474A/en not_active Expired - Lifetime
-
1947
- 1947-05-16 FR FR946839D patent/FR946839A/en not_active Expired
- 1947-06-30 GB GB17197/47A patent/GB668161A/en not_active Expired
-
1951
- 1951-07-05 FR FR61828D patent/FR61828E/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2456474A (en) | 1948-12-14 |
GB668161A (en) | 1952-03-12 |
FR946839A (en) | 1949-06-15 |
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